Add cloud module for smartdevice (#767)

Add initial support for the cloud module.

Adds a new binary sensor: `Cloud connection (cloud_connection): False`

kasa/smart/modules/cloudmodule.py

@@ -0,0 +1,34 @@
+"""Implementation of cloud module."""
+from typing import TYPE_CHECKING
+
+from ...feature import Feature, FeatureType
+from ..smartmodule import SmartModule
+
+if TYPE_CHECKING:
+    from ..smartdevice import SmartDevice
+
+
+class CloudModule(SmartModule):
+    """Implementation of cloud module."""
+
+    QUERY_GETTER_NAME = "get_connect_cloud_state"
+    REQUIRED_COMPONENT = "cloud_connect"
+
+    def __init__(self, device: "SmartDevice", module: str):
+        super().__init__(device, module)
+
+        self._add_feature(
+            Feature(
+                device,
+                "Cloud connection",
+                container=self,
+                attribute_getter="is_connected",
+                icon="mdi:cloud",
+                type=FeatureType.BinarySensor,
+            )
+        )
+
+    @property
+    def is_connected(self):
+        """Return True if device is connected to the cloud."""
+        return self.data["status"] == 0